Head-to-Head Comparison

Casio Duro MDV106 vs Citizen Promaster Aqualand BN2038

Two divers compared — $50–$100 vs $500–$1,000

Quick Verdict

The Casio Duro MDV106 ($50–$100) offers Casio Quartz (Battery) precision in the tier below the Citizen Promaster Aqualand BN2038 ($500–$1,000). The Duro MDV106 measures 44mm and is rated 200m (20 ATM) Diver. The Promaster Aqualand BN2038 counters with Citizen (Japan) craftsmanship and 200m Diver water resistance. Both are exceptional divers for their respective tiers.

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Casio Duro MDV106

Casio

Duro MDV106

$50–$100

Citizen Promaster Aqualand BN2038

Citizen

Promaster Aqualand BN2038

$500–$1,000

Specifications Compared

FeatureCasio Duro MDV106Citizen Promaster Aqualand BN2038
Price$50–$100$500–$1,000
Case Size44mm46mm
MovementQuartz Module 2784Eco-Drive
Caliber TypeCasio Quartz (Battery)Citizen Eco-Drive
Power Reserve3-Year Battery
Water Resistance200m (20 ATM) Diver200m Diver
CrystalMineral Glass
Case MaterialStainless SteelStainless Steel
OriginCasio (Japan)Citizen (Japan)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Citizen's approach

The Casio Duro MDV106 features a Stainless Steel case at 44mm with Mineral Glass protection. The Citizen Promaster Aqualand BN2038 offers Stainless Steel construction at 46mm with crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Casio

Quartz Module 2784 vs Eco-Drive

The Duro MDV106 runs the Quartz Module 2784 (Casio Quartz (Battery), 3-Year Battery power reserve) at standard frequency. The Promaster Aqualand BN2038 uses the Eco-Drive (Citizen Eco-Drive, standard reserve) at standard. The Duro MDV106 edges ahead on power reserve.

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Wearability & Fit

Edge: Casio

44mm vs 46mm — different wrist presence

At 44mm, the Duro MDV106 wears more compactly on smaller wrists compared to the Promaster Aqualand BN2038 at 46mm. Water resistance differs: 200m (20 ATM) Diver vs 200m Diver.

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio Duro MDV106 sits at $50–$100 and the Citizen Promaster Aqualand BN2038 at $500–$1,000. On the specs that outlast any price: the Duro MDV106 uses Mineral Glass with 3-Year Battery, against a hardened crystal and a standard reserve on the Promaster Aqualand BN2038. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Draw

200m (20 ATM) Diver vs 200m Diver

The Duro MDV106 is rated to 200m (20 ATM) Diver while the Promaster Aqualand BN2038 handles 200m Diver. Both offer identical water resistance ratings.

Our Verdict

Casio

Duro MDV106

Choose the Casio Duro MDV106 if you prioritize Casio Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) Diver water resistance. At $50–$100, it delivers Quartz Module 2784 with 3-Year Battery power reserve.

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Citizen

Promaster Aqualand BN2038

Choose the Citizen Promaster Aqualand BN2038 if you value Citizen Eco-Drive technology, Citizen (Japan) heritage, and 46mm proportions. At $500–$1,000, the Eco-Drive with ample power reserve makes it a compelling choice.

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The Bottom Line

The Casio Duro MDV106 and Citizen Promaster Aqualand BN2038 represent two distinct approaches to the diver category — the Casio bringing Casio (Japan) tradition while Citizen delivers Citizen (Japan) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Casio Duro MDV106 ($50–$100) offers Quartz Module 2784 with 3-Year Battery power reserve, while the Citizen Promaster Aqualand BN2038 ($500–$1,000) features Eco-Drive with 200m Diver water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Citizen (Japan) engineering.
The Casio Duro MDV106 offers better upfront value, sitting a tier lower at $50–$100. However, the Citizen Promaster Aqualand BN2038 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Duro MDV106 at 44mm with 200m (20 ATM) Diver water resistance handles everyday situations. The Promaster Aqualand BN2038 at 46mm with 200m Diver is similarly capable. Check each model's crystal material if scratch resistance matters to you.

How This Page Was Made

Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.